(19)

(11)

EP 3 676 728 A1

(12)

(43) Date of publication: 08.07.2020 Bulletin 2020/28 (21) Application number: 19707184.8 (22) Date of filing: 06.02.2019

(51) International Patent Classification (IPC):  G06F 16/9535(2019.01) G06F 16/951(2019.01) G06F 16/435(2019.01) (86) International application number: PCT/US2019/016917 (87) International publication number: WO 2020/106314 (28.05.2020 Gazette 2020/22)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 21.11.2018 US 201862770338 P (71) Applicant: Google LLC. Mountain View, CA 94043 (US)	(72) Inventor: The designation of the inventor has not yet been filed  () (74) Representative: Kennedy, Richard E.  Venner Shipley LLP 5 Stirling House Stirling Road The Surrey Research Park Guildford GU2 7RF Guildford GU2 7RF (GB)